Working side-by-side with partners at local, regional, state and federal levels, the Michigan Department of Environment, Great Lakes, and Energy safeguards our state's environment while supporting the economic growth and development crucial for Michigan's future. As part of providing expert technical and pollution prevention assistance to businesses and individuals, EGLE annually performs approximately 30,000 site visits and inspections. EGLE employs more than 1,300 scientists, engineers, geologists, toxicologists, inspectors, technicians, managers, biologists and support staff across the state.

The Air Quality Division supports efforts to maintain clean air and minimize adverse impacts on human health and the environment. Staff work to reduce existing outdoor air pollution and prevent deterioration of air quality through air emission control programs, air monitoring, control strategy planning, permit issuance, and inspection of air emission sources.

The Drinking Water and Environmental Health Division oversees Michigan's public water supplies to ensure safe drinking water. The division is involved in source water protection, operator certification and training, water well construction, registration of water well drilling contractors, assisting local health departments in conducting drinking water quality investigations, approving and licensing the handling of domestic septage, and oversight of the on−site wastewater program. The division is also responsible for the approval and licensing of campgrounds and public swimming pools.

The Environmental Support Division is responsible for the department's proactive outreach efforts and support functions necessary to maintain an effective organization. The division prepares professional materials to support the department's communication strategy. The division hosts live events, coordinates webinars, produces videos, and develops publications. Working with program staff, the division assures public meetings and public hearings are professionally conducted. In addition, the division operates the call center, coordinates emergency response efforts, oversees the department's facilities, and provides training opportunities to staff.

The Finance Division is responsible for all financial aspects of the department from budget development to year end closing. The Finance Division Director serves as the department's Chief Financial Officer. The Finance Division oversees the Michigan Underground Storage Tank Authority and the Water Infrastructure Funding and Financing Section. The Michigan Underground Storage Tank Authority assures underground storage tank owners and operators can meet federal financial requirements necessary to operate in Michigan and provides a funding mechanism to address environmental issues. The Water Infrastructure Financing Section is responsible for providing funding mechanisms to assist communities with meeting water infrastructure needs.

The Geologic Resources Management Division (GRMD) oversees the development of fossil fuels and minerals while ensuring the protection of natural resources, the environment, property, and public health and safety. The division regulates the locating, drilling, operating, and plugging of wells used for exploration and production of oil, gas, brine, and minerals, as well as for underground storage and waste disposal. It also regulates mines for metallic minerals and industrial sand. Additionally, the division maintains a variety of maps and data on Michigan geology, fossil fuels, and minerals for industry and public use.

The Information Management Division is responsible for establishing and implementing data management standards and processes for information tracking to support transparency and effective internal processes. The goal of the division is to implement processes and provide services that allow program staff more time to address program issues and less time on non-programmatic functions. The division is responsible for assessing information technology tools and strategies to meet the ever-changing business needs of the department. In addition, the division is responsible for coordinating the department's GIS initiatives, maintaining the department's Web site, and overseeing Freedom of Information Act responses. In addition, the division also has responsibility for coordinating rulemaking activities, updating department policies, tracking audits, assuring corrective action plans are implemented, and coordinating appointments and other tasks for the department's various commissions.

The Materials Management Division oversees the solid and hazardous waste programs, radioactive materials activities, radon awareness program, and energy program. The division oversees waste disposal, transportation, and storage as well as implementing strategies to support pollution prevention and beneficial uses of waste materials. Activities in the radiological area include coordinating with nuclear power plants, local emergency responders, and the federal government to ensure that Michigan has sufficient resources in the event of a radioactive material release.

The Michigan PFAS Action Response Team was established in 2017 to address the threat of PFAS contamination in Michigan, protect public health, and ensure the safety of Michigan’s land, air, and water, while facilitating inter-agency coordination, increasing transparency, and requiring clear standards to ensure accountability. MPART is charged with providing recommendations to the department directors and coordinates efforts between them. The Executive Director serves as the chair of MPART and coordinates closely with various federal and state agencies on PFAS initiatives.

The Office of Climate and Energy coordinates activities of state departments and agencies on climate response and provides insight and recommendations to state government and local units of government on how to mitigate climate impact and adapt to climate changes. The office provides guidance and assistance for the reduction of greenhouse gas emissions, renewable energy, energy efficiency, and climate adaptation and resiliency. The office is also responsible for developing and implementing strategies supporting reliable and environmentally sustainable energy for the future.

The Office of the Clean Water Public Advocate accepts and investigates complaints and concerns related to drinking water within the state of Michigan. The office establishes and implements processes in coordination with the divisions to report drinking water complaints and assists with resolution of complaints. The office is also responsible for preparing regular reports on the complaints received, resolution, and recommendations moving forward.

The Office of the Environmental Justice Public Advocate accepts and investigates complaints and concerns related to Environmental Justice within the state of Michigan. The office establishes and implements processes and reporting of Environmental Justice complaints and assists with resolution of complaints. The office is also responsible for preparing regular reports on the complaints received, resolution, and recommendations moving forward and represents the department on the state's Interagency Environmental Justice Response Team and coordinates closely with the team. In addition, the office partners closely with divisions on coordinating hearings and public meetings aimed at facilitating interactions with Environmental Justice communities.

The Office of the Great Lakes oversees Great Lakes related water policy and coordinates with the department's divisions as well as external stakeholders to assure alignment of Great Lakes policy and strategy implementation. The office represents the department in national forums regarding the Great Lakes and advises the Director on Great Lakes strategies.

The Office of Legislative Affairs is the primary point of contact with the Legislature and represents the department at various legislative meetings. The office coordinates constituent responses, tracks and assists with bill analysis, and facilitates preparation for legislative meetings. In addition, staff are responsible for assisting with developing the department's legislative priorities.

The Office of Public Information is responsible for serving as the primary point of contact with the media. The office prepares official department statements and press releases. The office is responsible for developing the department's overall communication strategy and coordinates closely with the Environmental Support Division to develop materials to support the department's communication strategy.

The Remediation and Redevelopment Division oversees the remediation and redevelopment of contaminated properties in Michigan. The division administers two environmental cleanup programs, including the Environmental Remediation program and the Leaking Underground Storage Tank program. In addition, the division coordinates the implementation of brownfield redevelopment financing for environmental response activities. The division also manages portions of the federal Superfund program and oversees the department's laboratory responsible for drinking water and environmental testing.

The Water Resources Division protects and monitors Michigan's waters by establishing water quality standards, assessing the health of aquatic communities, issuing permits to regulate wastewater dischargers, and overseeing aquatic invasive species concerns and water withdrawals. The division processes permit applications and provides technical assistance to local soil erosion and sedimentation control programs, as well as activities like dredging or filling, constructing or dismantling dams, constructing marinas, seawalls, or docks, building in a designated critical sand dune, wetland, or floodplain, and protecting underwater shipwreck resources. The Division oversees and issues construction permits for all public wastewater infrastructure, requires asset management in NPDES permits to ensure proper maintenance and oversees critical large-scale infrastructure improvements in the area of CSO/SSO control vital to health of Michigan's waterways.